rock
/ɹɒk//ɹɑk/noun
Definitions
A formation of minerals, specifically:
A large hill or island having no vegetation.
Example: Pearl Rock near Cape Cod is so named because the morning sun makes it gleam like a pearl.
Something that is strong, stable, and dependable; a person who provides security or support to another.
A lump or cube of ice.
Example: I'll have a whisky on the rocks, please.